<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		
	</head>
	<body>
		 <button type="button" onclick="koi()">刷新页面</button>
	</body>
	 <script type="text/javascript">
	 	function koi(){
	 			location.reload()
	 	}
	 </script>
</html>
